package com.cat.common;

import cn.hutool.crypto.digest.MD5;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.cat.context.BaseContext;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;
import java.time.LocalDateTime;

/**
 * 自定义元数据对象处理器
 */
@Slf4j
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
    /**
     * 插入操作，自动填充
     * @param metaObject 元对象
     */
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("公共字段自动填充【insert】...");
//        Employee employee = employeeMapper.selectById(BaseContext.getCurrentId());
//        String username = employee.getUsername();
        metaObject.setValue("createTime", LocalDateTime.now());
        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("createBy", BaseContext.getCurrentId());
        metaObject.setValue("updateBy", BaseContext.getCurrentId());
        metaObject.setValue("password", MD5.create().digestHex("123456"));
        // log.info(metaObject.toString());
    }

    /**
     * 更新操作，自动填充
     * @param metaObject 元对象
     */
    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("公共字段自动填充【update】...");
        // log.info(metaObject.toString());
//        Employee employee = employeeMapper.selectById(BaseContext.getCurrentId());
//        String username = employee.getUsername();

        long id = Thread.currentThread().getId();
        log.info("线程id为：{}",id);

        Long currentId = BaseContext.getCurrentId();

        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("updateBy", currentId);
    }
}
